. >> chiefs and redskins, look at the snow. redskins dismal season continues. robert griffin, iii looking for pierre garcon. three plays later, the 21-yard touchdown. chiefs pound the redskins and snap a three-game losing streak. here's how the a.f.c. playoff picture shapes up. denver and indianapolis have clinched playoff spots with new england and cincinnati on their way. kansas city and baltimore would be in the playoffs if they started today. that wraps up sports at this hour. >> a potential revolution in the treatment of leukemia. >> when you first hear that word, the first question is when am i going to die? >> scientists call it a possible break through, using one deadly disease to fight a common form of cancer. wintery you weather is making for a dangerous and tricky monday morning commute. we'll see who's getting the brunt of the storm system causing problems across the u.s. >> good morning, and welcome back to aljazeera america. i'm stephanie sy. >> i'm thomas drayton. research ares are set to announce the result of a leukemia stayed. they are using a